CN207134788U - A kind of fast chopper failure dead zone protection device - Google Patents
A kind of fast chopper failure dead zone protection device Download PDFInfo
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- CN207134788U CN207134788U CN201720913148.3U CN201720913148U CN207134788U CN 207134788 U CN207134788 U CN 207134788U CN 201720913148 U CN201720913148 U CN 201720913148U CN 207134788 U CN207134788 U CN 207134788U
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Abstract
The utility model discloses a kind of fast chopper failure dead zone protection device, including AC modules, CPU modules, HMI modules, intelligent DI modules, CC modules, intelligent DO modules, intelligent SIG modules, power module, motherboard module；Intelligent DI, DO, SIG module is connected by spi bus with CPU modules, the CC modules are connected by HSB high-speed buses with CPU modules, the AC modules are connected by analog quantity bus with CPU modules, and the HMI modules are connected by HDLC buses with CPU modules；AC, CPU, HMI, intelligent DI, CC, intelligent DO, intelligent SIG, power module are plugged on motherboard module.Advantage：Suitable for more breaker modes of connection, device integrated level is high, is easy to extend, easy to use, can be applied to traditional transformer station and intelligent substation simultaneously, can effectively improve breaker failure and dead-zone fault mute time.
Description
Technical field
A kind of fast chopper failure dead zone protection device is the utility model is related to, belongs to technical field of relay protection.
Background technology
In recent years, as extra-high voltage direct-current transmission rises, a large amount of straight-flow systems access power network, and direct-current commutation failure turns into shadow
Ring the important failure of power grid security.Commutation failure can cause DC voltage as one of most common failure of DC transmission system
Adverse consequences, the continuous commutation failures such as reduction, the reduction of direct current transmission power result even in direct current locking, have a strong impact on alternating current-direct current
The stable operation of interacted system.Research shows, is that fault in ac transmission system make it that the inverter side change of current is female the main reason for commutation failure
Line voltage declines, if failure is quickly cut off, some commutation failures can recover automatically, but in the event of twice or repeatedly continuous
Commutation failure, converter valve will locking, interrupt the passway for transmitting electricity of straight-flow system, result even in power network in severe cases and collapse
Burst.Commutation failure recovery time about 200ms, and when power network AC system generation breaker failure and dead-zone fault, it is existing
There are breaker failure and dead zone protection to cut off adjacent string breaker in station by bus protection, be cut off by remote tripping device
Circuit opposite end breaker, fault clearing time are generally higher than 400ms after failure, and may causing multiple-circuit line, continuous commutation is lost simultaneously
Lose, the requirement of system safety and stability can not be met.Therefore, a kind of fast chopper failure dead zone protection device need to be developed, is accelerated disconnected
The mute time of road device failure and dead-zone fault, to improve the security margin of power system.
The content of the invention
Technical problem to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of fast chopper loses
Clever dead zone protection device, traditional transformer station and intelligent substation can be applied to simultaneously, it is next to be integrated with more breaker connection types
The failure and dead zone protection of string breaker, and both-end communication construction and GOOSE shunt tripping mechanism are used, accelerate grid circuit breaker mistake
Spirit and the mute time of dead-zone fault, improve the security margin of power system.
In order to solve the above technical problems, the utility model provides a kind of fast chopper failure dead zone protection device, it is special
Sign is, including
Motherboard module, for receiving the voltage conversion of power module offer into the operating voltage of each module, and provided with simulation
Measure bus, HSB high-speed buses, spi bus and HDLC buses；
CC modules, for controlling the HSB high-speed buses and CPU module transceiving datas of motherboard module；
AC modules, for gathering a string of breaker secondary side currents and each interval secondary side electricity under more breaker connection types
Pressure, and it is converted into ± 5V voltage acquisition signals；
CPU modules, for controlling analog quantity bus on motherboard module, HSB high-speed buses, spi bus and HDLC total
The transceiving data of line；
HMI modules, for managing printing machine and man-machine interface；
Intelligent DI modules, for gathering intake signal, and it is transferred to CPU modules；
Intelligent DO modules, for receiving the amount of the outputing signal of CPU modules；
Intelligent SIG modules, central signal is outputed for provide CPU modules；
Power module, for providing working power to motherboard module；
The CC, AC, CPU, HMI, intelligent DI, intelligent DO, intelligent SIG modules are plugged on the motherboard module, institute
State intelligent DI, DO, SIG module to be connected with CPU modules by spi bus, the CC modules pass through HSB high-speed buses and CPU moulds
Part is connected, and the AC modules are connected by analog quantity bus with CPU modules, and the HMI modules pass through HDLC buses and CPU modules
Connection.
Further, the CPU modules are provided with LPF loop, for filtering out higher hamonic wave to reduce to protection
Influence；The CPU modules are provided with A/D conversing circuits, for completing analog-to-digital conversion, realize that AD is sampled；The CPU modules integrate
Fpga chip, for controlling the HSB high-speed buses and CC module transceiving datas of motherboard module, while receives AD sampled datas,
Interpolation, synchronizing function are completed, and the data after processing are sent to HSB high-speed buses, the sampled data inside realization device is total to
Enjoy；The CPU modules are provided with FC fiber optic data communication interfaces, realize both-end communication construction, are led to by external dedicated or multiplexing fiber-optic
Road is connected with offside substation breakers failure dead zone protection device, completes transfer trip；The CPU modules, which are provided with, to be started back
Road, for opening intelligent DO modules exit relay positive supply.
Further, the AC modules are provided with voltage, current transformer, next for gathering more breaker connection types
String breaker secondary side current and each interval secondary side voltage, and it is converted into ± 5V voltage acquisition signals.
Further, the HMI modules are provided with the light current open entry loop for remote operation and signal return, for controlling
Remote operation function and signal return function processed；The HMI modules be provided with connection GPS timing devices pair when loop, be used for
Connect the printing loop of printer；The HMI modules are provided with communication interface circuit, for accessing station level monitoring system and guarantor
Protect information substation；The HMI modules are provided with the display circuit for man-machine interaction, and wherein display circuit is touched using resistance-capacitance type
Screen and the wide temperature LCDs of technical grade.
Further, the intelligent DI modules are used to measure the outside intake signal that cable is directly accessed, and pass through SPI
Bus sends protection CPU modules to；The intelligent DI modules include optical coupling isolation circuit, intake interface circuit, light-coupled isolation
The input of circuit is connected with outside intake, and the output end of optical coupling isolation circuit is connected with intake interface circuit, then is led to
The spi bus that SPI interface circuitry is crossed with motherboard module is connected.
Further, the intelligent DO modules receive the amount of the outputing signal of protection CPU module transmissions by spi bus, and
Drive the exit relay on intelligent DO modules；The intelligent DO modules include optical coupling isolation circuit, the amount of outputing interface circuit, go out
Mouth relay, the input of the amount of outputing interface circuit are connected with SPI interface circuitry, and the output end of the amount of outputing interface circuit passes through
Optical coupling isolation circuit is connected with exit relay, and the positive supply of exit relay is opened by starting relay, and starts relay
Device is controlled by the starting-up later time of CPU modules.
Further, the intelligent SIG modules receive central signal that protection CPU modules send and distant by spi bus
Believe signal, and drive the central signal and remote signals relay on intelligent SIG modules；The intelligent SIG modules include optocoupler
Isolation circuit, the amount of outputing interface circuit, the input of the amount of outputing interface circuit are connected with SPI interface circuitry, the amount of outputing interface
The output end of circuit is connected by optical coupling isolation circuit with central signal and remote signals relay.
Further, the power module is provided with normally closed contact and warning circuit, normally closed contact and exit relay
Output end is connected, during device dead electricity, normally closed contact closure control warning circuit outputting alarm signal.
Further, the CC modules are provided with fpga chip, for controlling the HSB high-speed buses and CPU of motherboard module
Module transceiving data；The CC modules are provided with multiple 100BASE-FX Ethernets fiber-optic SFP interfaces, for receiving and dispatching SV, GOOSE
Data, realize that dead band is differential and the function such as GOOSE shunt trippings.
The beneficial effect that the utility model is reached：
（1）The failure and dead zone protection of a string of breakers under more breaker connection types are integrated with, integrated level is high, reduces
Device quantity, improve failure and the applicability of dead zone protection；（2）Multi-compartment data are gathered, and apply relay protective scheme, are improved
The reliability that failure and dead-zone fault differentiate；（3）Using both-end communication construction and GOOSE shunt tripping mechanism, ensure general typical
Failure and dead-zone fault can quickly be cut off, and improve the security margin of power system.（4）AC modules, intelligent DI modules, intelligence
Energy DO modules, intelligent SIG modules, CC modules are plugged on motherboard module, are easy to extend, easy to use.（5）The device is supported
Much information accesses form, while is applied to traditional transformer station and intelligent substation, applied widely, has good application
Prospect.
Brief description of the drawings
Fig. 1 is Tthe utility model system block diagram；
Fig. 2 is the utility model hardware block diagram.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating this
The technical scheme of utility model, and the scope of protection of the utility model can not be limited with this.
As illustrated in fig. 1 and 2, a kind of fast chopper failure dead zone protection device, it is characterized in that, including
Motherboard module, for receiving the voltage conversion of power module offer into the operating voltage of each module, and provided with simulation
Measure bus, HSB high-speed buses, spi bus and HDLC buses；
CC modules, for controlling the HSB high-speed buses and CPU module transceiving datas of motherboard module；
AC modules, for gathering a string of breaker secondary side currents and each interval secondary side electricity under more breaker connection types
Pressure, and it is converted into ± 5V voltage acquisition signals；
CPU modules, for controlling analog quantity bus on motherboard module, HSB high-speed buses, spi bus and HDLC total
The transceiving data of line；
HMI modules, for managing printing machine and man-machine interface；
Intelligent DI modules, for gathering intake signal, and it is transferred to CPU modules；
Intelligent DO modules, for receiving the amount of the outputing signal of CPU modules；
Intelligent SIG modules, central signal is outputed for provide CPU modules；
Power module, for providing working power to motherboard module；
The CC, AC, CPU, HMI, intelligent DI, intelligent DO, intelligent SIG modules are plugged on the motherboard module, institute
State intelligent DI, DO, SIG module to be connected with CPU modules by spi bus, the CC modules pass through HSB high-speed buses and CPU moulds
Part is connected, and the AC modules are connected by analog quantity bus with CPU modules, and the HMI modules pass through HDLC buses and CPU modules
Connection.
In the present embodiment, the CPU modules are provided with LPF loop, for filter out higher hamonic wave with reduce to protection
Influence；The CPU modules are provided with A/D conversing circuits, for completing analog-to-digital conversion, realize that AD is sampled；The CPU modules collection
Into fpga chip, for controlling the HSB high-speed buses and CC module transceiving datas of motherboard module, while AD hits is received
According to completing interpolation, synchronizing function, and the data after processing are sent to HSB high-speed buses, the sampled data inside realization device
It is shared；The CPU modules are provided with FC fiber optic data communication interfaces, realize both-end communication construction, pass through external dedicated or multiplexing fiber-optic
Passage is connected with offside substation breakers failure dead zone protection device, completes transfer trip；The CPU modules, which are provided with, to be started back
Road, for opening intelligent DO modules exit relay positive supply.
In the present embodiment, the AC modules are provided with voltage, current transformer, for gathering under more breaker connection types
A string of breaker secondary side currents and each interval secondary side voltage, and it is converted into ± 5V voltage acquisition signals.
In the present embodiment, the HMI modules are provided with the light current open entry loop for remote operation and signal return, are used for
Control remote operation function and signal return function；The HMI modules be provided with connection GPS timing devices pair when loop, use
In the printing loop of connection printer；The HMI modules are provided with communication interface circuit, for access station level monitoring system and
Protection information substation；The HMI modules are provided with the display circuit for man-machine interaction, and wherein display circuit is touched using resistance-capacitance type
Touch screen and the wide temperature LCDs of technical grade.
In the present embodiment, the intelligent DI modules are used to measure the outside intake signal that cable is directly accessed, and pass through
Spi bus sends protection CPU modules to；The intelligent DI modules include optical coupling isolation circuit, intake interface circuit, optocoupler every
Input from circuit is connected with outside intake, and the output end of optical coupling isolation circuit is connected with intake interface circuit, then
It is connected by SPI interface circuitry with the spi bus of motherboard module.
In the present embodiment, the intelligent DO modules receive the amount of the outputing signal of protection CPU module transmissions by spi bus,
And drive the exit relay on intelligent DO modules；The intelligent DO modules include optical coupling isolation circuit, the amount of outputing interface circuit,
Exit relay, the input of the amount of outputing interface circuit are connected with SPI interface circuitry, and the output end of the amount of outputing interface circuit is led to
Optical coupling isolation circuit is crossed with exit relay to be connected, the positive supply of exit relay is opened by starting relay, and start after
Electrical equipment is controlled by the starting-up later time of CPU modules.
In the present embodiment, the intelligent SIG modules by spi bus receive central signal that protection CPU modules send and
Remote signals, and drive central signal and remote signals relay on intelligent SIG modules；The intelligent SIG modules include light
Coupling isolation circuit, the amount of outputing interface circuit, the input of the amount of outputing interface circuit are connected with SPI interface circuitry, and the amount of outputing connects
The output end of mouth circuit is connected by optical coupling isolation circuit with central signal and remote signals relay.
In the present embodiment, the power module is provided with normally closed contact and warning circuit, normally closed contact and exit relay
Output end be connected, during device dead electricity, normally closed contact closure control warning circuit outputting alarm signal.
In the present embodiment, the CC modules are provided with fpga chip, for control motherboard module HSB high-speed buses and
CPU module transceiving datas；The CC modules are provided with multiple 100BASE-FX Ethernets fiber-optic SFP interfaces, for receive and dispatch SV,
GOOSE data, realize that dead band is differential and the function such as GOOSE shunt trippings.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and deformation can also be made, these change
Enter and deform and also should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of fast chopper failure dead zone protection device, it is characterized in that, including
Motherboard module, for receiving the voltage conversion of power module offer into the operating voltage of each module, and it is total to be provided with analog quantity
Line, HSB high-speed buses, spi bus and HDLC buses；
CC modules, for controlling the HSB high-speed buses and CPU module transceiving datas of motherboard module；
AC modules, for gathering a string of breaker secondary side currents and each interval secondary side voltage under more breaker connection types,
And it is converted into ± 5V voltage acquisition signals；
CPU modules, for controlling analog quantity bus on motherboard module, HSB high-speed buses, spi bus and HDLC buses
Transceiving data；
HMI modules, for managing printing machine and man-machine interface；
Intelligent DI modules, for gathering intake signal, and it is transferred to CPU modules；
Intelligent DO modules, for receiving the amount of the outputing signal of CPU modules；
Intelligent SIG modules, central signal is outputed for provide CPU modules；
Power module, for providing working power to motherboard module；
The CC, AC, CPU, HMI, intelligent DI, intelligent DO, intelligent SIG modules are plugged on the motherboard module, the intelligence
Energy DI, DO, SIG module is connected by spi bus with CPU modules, and the CC modules pass through HSB high-speed buses and CPU modules connect
Connect, the AC modules are connected by analog quantity bus with CPU modules, and the HMI modules are connected by HDLC buses and CPU modules
Connect.
2. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, the CPU modules
LPF loop is provided with, for the influence for filtering out higher hamonic wave to reduce to protection；The CPU modules turn provided with A/D
Road is gained, for completing analog-to-digital conversion, realizes that AD is sampled；The CPU modules are integrated with fpga chip, for controlling motherboard module
HSB high-speed buses and CC module transceiving datas, while receive AD sampled datas, complete interpolation, synchronizing function, and will be after processing
Data send to HSB high-speed buses, the sampled data inside realization device is shared；The CPU modules lead to provided with FC optical fiber
Believe interface, realize both-end communication construction, pass through external dedicated or multiplexing fiber-optic passage and offside substation breakers failure dead band
Protection device connects, and completes transfer trip；The CPU modules are provided with starting-up later time, for opening intelligent DO modules outlet relay
Device positive supply.
3. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, on the AC modules
Provided with voltage, current transformer, for gathering under more breaker connection types a string of breaker secondary side currents and being respectively spaced two
Secondary side voltage, and it is converted into ± 5V voltage acquisition signals.
4. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, the HMI modules
The light current open entry loop for remote operation and signal return is provided with, for controlling remote operation function and signal return work(
Energy；The HMI modules be provided with connection GPS timing devices pair when loop, for connecting the printing loop of printer；It is described
HMI modules are provided with communication interface circuit, for accessing station level monitoring system and protection information substation；On the HMI modules
Provided with the display circuit for man-machine interaction, wherein display circuit uses resistance-capacitance type touch-screen and the wide temperature liquid crystal display of technical grade
Screen.
5. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, the intelligent DI moulds
Part is used to measure the outside intake signal that cable is directly accessed, and sends protection CPU modules to by spi bus；The intelligence
Energy DI modules include optical coupling isolation circuit, intake interface circuit, and the input of optical coupling isolation circuit is connected with outside intake
Connect, the output end of optical coupling isolation circuit is connected with intake interface circuit, then passes through SPI interface circuitry and the SPI of motherboard module
Bus is connected.
6. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, the intelligent DO moulds
Part receives the amount of the outputing signal of protection CPU module transmissions by spi bus, and drives the exit relay on intelligent DO modules；
The intelligent DO modules include optical coupling isolation circuit, the amount of outputing interface circuit, exit relay, the input of the amount of outputing interface circuit
End is connected with SPI interface circuitry, and the output end of the amount of outputing interface circuit is connected by optical coupling isolation circuit with exit relay
Connect, the positive supply of exit relay is opened by starting relay, and starting relay is controlled by the starting-up later time of CPU modules.
7. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, the intelligent SIG
Module receives central signal and the remote signals that protection CPU modules are sent by spi bus, and drives on intelligent SIG modules
Central signal and remote signals relay；The intelligent SIG modules include optical coupling isolation circuit, the amount of outputing interface circuit, output
The input of amount interface circuit is connected with SPI interface circuitry, and the output end of the amount of outputing interface circuit passes through optical coupling isolation circuit
It is connected with central signal and remote signals relay.
8. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, the power module
Normally closed contact and warning circuit are provided with, normally closed contact is connected with the output end of exit relay, normally closed to connect during device dead electricity
Point closure control warning circuit outputting alarm signal.
9. a kind of fast chopper failure dead zone protection device according to claim 1, it is characterized in that, on the CC modules
Provided with fpga chip, for controlling the HSB high-speed buses and CPU module transceiving datas of motherboard module；The CC modules are provided with
Multiple 100BASE-FX Ethernets fiber-optic SFP interfaces, for receiving and dispatching SV, GOOSE data, realize that dead band is differential and GOOSE shunt trippings
Function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913148.3U CN207134788U (en) | 2017-07-26 | 2017-07-26 | A kind of fast chopper failure dead zone protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720913148.3U CN207134788U (en) | 2017-07-26 | 2017-07-26 | A kind of fast chopper failure dead zone protection device |
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| CN207134788U true CN207134788U (en) | 2018-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161404A (en) * | 2019-05-23 | 2019-08-23 | 首钢京唐钢铁联合有限责任公司 | High-voltage circuitbreaker fault detection method, device and electronic equipment |
-
2017
- 2017-07-26 CN CN201720913148.3U patent/CN207134788U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161404A (en) * | 2019-05-23 | 2019-08-23 | 首钢京唐钢铁联合有限责任公司 | High-voltage circuitbreaker fault detection method, device and electronic equipment |
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